In this process Nature provides all of the varieties and Man selects the variations that are found most useful.
What is artificial selection?
Similarities in the body structures of species is possible evidence that the species are ___________.
What is Related?
The study of fossils or extinct organisms, which continues to provide new information and support current hypothesis about how evolution occurs.
What is paleontology?
__________ is the process by which species adapt to environmental changes over a very long time
What is evolution?
Charles Darwin made many observations and collected what would become evidence of Evolution on these islands west of Equador.
What are the Galapagos Islands?
An inherited characteristic that improves an organism’s ability to survive and reproduce in a particular environment.
What is an adaptation?
WILD SQUARE!!
What will you get??
Pick another question (worth 300 or less). It is now worth double.
According to fossil evidence, about how long ago did LIFE start on Earth?
How old is the Tree of Life?
What is 3.5/3.6 Billion Years?
These preserved remains of ancient organisms show the history of life on Earth.
What is the fossil record or what are fossils?
What is the study of the early stages of life called?
What is Embryology?
What do you call a random change to a gene that sometimes results in a new trait?
What is a mutation?
This occurs when a natural disaster causes a drastic reduction in population size and leads to a loss of genetic diversity.
What is bottleneck effect?
Structures of organisms that function similarly but do not come from a common ancestor and are not structured in the same way, such as insect wings and bird wings.
What is an analogous structure?
How many DNA bases are there?
Extra 100pts if you can name them
What is 4?
ATCG
This occurs when a small group of individuals from a larger population establishes a new, isolated population leading to reduced genetic variation
What is founder effect?
What is the movement of individuals into or out of, or between populations called?
What is Gene Flow?
The ability of an organism to survive and produce more offspring than other members of the population.
What is fitness?
These small body parts were once used in ancestors, but are no longer used today.
What are vestigial organs?
What do we call a group of organisms of the same type that do not reproduce with any other groups?
What is Species?
_________ is an older population from which two or more newer species descended
What is Common Ancestor?